单词 | selectivity |
释义 | selectivese‧lec‧tive /səˈlektɪv/ ●○○ AWL adjective Examples EXAMPLES FROM OTHER DICTIONARIES Thesaurus
Longman Language Activatorwhen you are very careful about choosing things► choosy Collocations informal someone who is choosy chooses things carefully and only wants the things they think are the best: · I get offered a lot of work now, so I can be more choosy.choosy about: · She's very choosy about what airline she travels on. ► fussy/picky informal someone who is fussy or picky is difficult to please because they only like a few things and will only accept exactly what they want: · Maybe I'm too picky, but all the guys I meet seem so boring.fussy/picky about: · She was always very fussy about her clothes.picky/fussy eater (=someone who will only eat the few things they like): · We're not really picky eaters, but we don't eat much fast food. ► be particular about to be very careful about choosing only the very best of something, or only exactly what you like, usually with the result that people think you are too careful about it: be particular about about: · He's very particular about the clothes he buys.be particular about what/where etc: · Monica is particular about what she eats - no meat, and only organic vegetables. ► selective someone who is selective chooses things very carefully because they want to choose the best, most suitable etc: · You've got to be very selective when choosing a roommate.selective about: · People are becoming more and more selective about the food they eat these days. ► shop around informal to look at or try several different possibilities before choosing the one which is the best, cheapest etc: · Never buy the first car you see. Always shop around.· Shop around a little bit before you choose a therapist.shop around for: · You should shop around for a better price. COLLOCATIONS FROM THE ENTRY► selective memory Word family He has a very selective memory (=he chooses what he wants to remember and what to forget). COLLOCATIONS FROM THE CORPUSADVERB► highly· It is inevitably highly selective, both in the Acts it covers and in what it includes from each Act.· But memory is highly selective, particularly within an organization that has weathered numerous crises and moments of extreme duress.· Perhaps it is Upjohn that is being highly selective regarding evidence on serious psychiatric reactions to triazolam.· These leaders need to recognize the need to be highly selective about what to incorporate into their operations.· What an animal learns is highly selective and highly ordered.· The virus proved highly selective in killing several lines of human cancer cells in laboratory cell cultures.· In any event, we are highly selective about blanket sanctions.· Compatibility is crucial, so the process is highly selective. ► more· A more selective approach to underwriting Commercial motor business has also been adopted following adverse experience on major fleets.· The managers reported that firing a subordinate taught them to be even more selective in hiring.· This means they must actively encourage a more selective approach to custodial remand and sentencing.· Sales may also be lost because the aggressive firm is more selective in granting credit than its competitors.· At the very least it was more selective than various predecessors which by that time had fallen into disrepute.· It was somewhat sobering to have all these things go wrong at once, and I decided to become more selective.· The answers were more selective recruitment and yet more discipline.· One consequence of this lumpiness is that caffeine is far more selective in its actions than is alcohol. ► very· These apply very selective filtration of unwanted audio frequencies.· The Legion was being selective. Very selective.· Mushtaq, one of his four cricketing brothers, remembers' a reserved young man, very selective with friends.· They need strong headlines and very selective copy. NOUN► assessment· Information may be gathered in a variety of ways, including the use of functional assessment instruments and selective assessment forms.· In both cases the assessment task can be identified as that of correctly selecting individuals, i.e. selective assessment.· In selective assessment the relationship between practitioner and elder is one of unequal power.· Anxiety, anger or apathy all seem reasonable defensive strategies for elders to adopt when facing selective assessment now.· Yet there are arguable benefits from practising selective assessment.· Indeed, equal opportunity policies, and strategies of affirmative action, can be built into selective assessments.· Nevertheless, there are obvious limitations to a system of selective assessment. ► assistance· One option would be to increase the £120m regional selective assistance budget, channelled into businesses in struggling areas.· A large number of smaller companies there have been receiving regional selective assistance since the middle 1980s.· Regional selective assistance is equal wherever it is applied for in Great Britain, although the limits for Northern Ireland are higher.· Regional selective assistance remains the main regional programme for industry.· For example, regional aid and selective assistance have been dramatically cut.· I can quote some of the figures on the cuts in regional selective assistance in the period in question.· Tens of thousands of jobs are created each year by regional selective assistance.· She said that large cuts were made in regional selective assistance in the early 1980s. ► attention· This explanation of sleep loss effects in terms of lowered arousal is further supported by studies on selective attention.· They co-opt the selective attention circuitry.· Certainly this frontal lobe role in adaptive behavior is linked to the mechanisms of selective attention. ► breeding· Among its aims is a new eugenics: selective breeding.· The culmination of years of selective breeding - Richard Tisbury releases a Sanke.· The selective breeding techniques used became blueprints for other breeders and ensured that the Shorthorn quickly ousted Bakewell's then ubiquitous Longhorn.· At Cheltenham Town Hall ... on show the results of years of selective breeding and careful nurturing.· These initial reflections did not include, then, any analogy between artificially and naturally selective breeding. ► forces· What mix of selective forces and developmental constraints moulded the mandible, honed the teeth?· Hence selective forces would have favoured the most successful at doing it. ► incentive· Some groups able to overcome free-riding by arranging selective incentives for their members will be powerfully organized to achieve their goals.· As selective incentives are only available to group members, they are not estimated in the way in which collective benefits are.· The organizational elite will be able to use the selective incentives to achieve broader, collective goods. ► memory· But looking back, we seem to have a selective memory for the best bits of the past.· But selective memory can be a dangerous thing.· Being a Madonna devotee has always involved having a selective memory.· This general type of bias may be due to a selective memory search for information favouring a positive personal outcome. ► pressure· Also left are useful fruit trees, which are thus under selective pressures.· The selective pressure is on all pathogens to mimic the passwords of their hosts.· Such use is already providing selective pressure to the emergence of resistance.· The selective pressure is on all hosts to keep changing the password.· For selective pressures for linguistic ability could easily reverse in ontogeny the order I maintain would be needed in phylogeny. ► school· If governors back the move, the school will be the last selective school in the county to seek Grant Maintained Status.· The best students, who attended one of the few selective schools, received the equivalent of a high-quality prep school education. ► use· The sporadic shutting off of town centres by selective use of barriers is already under way to stop the bombers.· But selective use of television can make for a healthy ritual for connection with your spouse.· A project to develop a new production process requires a similar selective use of the concept.· But individual nations also have recourse to the selective use of various devices for bending the rules of international free trade. ► vagotomy· Highly selective vagotomy was introduced about 20 years ago and hence any cancer risk should become apparent in the next few years. WORD FAMILYnounselectionselectorselectivityadjectiveselectiveverbselectadverbselectively 1careful about what you choose to do, buy, allow etc → non-selectiveselective about/in We’re very selective about what we let the children watch. selective schools (=that choose which students to accept) He has a very selective memory (=he chooses what he wants to remember and what to forget).2affecting or relating to the best or most suitable people or things from a larger group: selective breeding—selectively adverb—selectivity /səˌlekˈtɪvəti/ noun [uncountable] |
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